Removing The Mbu - Oracle Fujitsu SPARC M12-1 Service Manual

16.5.3

Removing the MBU

Caution - Remove all the memory before removing the MBU. Otherwise, the memory
may be damaged.
Remove all the FANUs.
1.
For details, see
Note - Record the mounting locations of the FANUs before removing them, to ensure that
they are reinstalled correctly.
Remove all the PCI Express (PCIe) risers.
2.
For details, see
Removing the PCIe risers enables you to easily remove the cables from the
PSUBP.
Note - Record the mounting locations of the PCIe risers before removing them, to ensure that
they are reinstalled correctly.
3. Remove all the memory.
For details, see
Note - Record the mounting locations of the memory before removing them, to ensure that
they are reinstalled correctly.
4. Release the cable lock guide.
For details, see
If the cable guide does not have a lock, proceed to step 3.
5. Remove the cables connected to the MBU.
The following cables are to be removed:
a. Three cables connecting the PSUBP to the MBU
b. One cable connecting the PSUBP to the HDDBP
c. Two cables connecting the HDDBP to the MBU
d. Two cables connecting the OPNL to the MBU
Note - Record the positions of the cables before removing them, to ensure that they are
reinstalled correctly.
188 Fujitsu SPARC M12-1 Service Manual • January 2023
"15.3.2 Removing a
"8.3.2 Removing a PCIe
"16.5.2 Removing
"5.8.7 Releasing the Cable Guide
The cable does not have to be removed from the HDDBP.
FANU."
Riser."
Memory."
Lock."